package _7输入输出;

public class OutputDemo
{

	public static void main(String[] args)
	{
		System.out.println("abc");
		System.out.println("def");
		System.out.println("hij");
		
		System.err.print("错误");
		
		// 不换行
		System.out.print("abc\n");
		System.out.print("def");
		System.out.print("hij");
		
		

	}

}
